Convert Usage Statistics · Download List of All Websites using Convert
Increase Conversion and Engagement of Website Visitors by personalizing content based on behavior. Previously known as Reedge.
A/B Testing · Personalization
Mouseflow Usage Statistics · Download List of All Websites using Mouseflow
Mouseflow records videos of your site visitors and generates heatmaps highlighting areas users are clicking, scrolling and ignoring.
Audience Measurement
Trustpilot Usage Statistics · Download List of All Websites using Trustpilot
Trustpilot is an open, community-based platform for sharing real reviews of shopping experiences online.
Feedback Forms and Surveys · Product Recommendations
Google Analytics Usage Statistics · Download List of All Websites using Google Analytics
Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.
Application Performance · Audience Measurement · Visitor Count Tracking
Google Universal Analytics Usage Statistics · Download List of All Websites using Google Universal Analytics
The analytics.js JavaScript snippet is a new way to measure how users interact with your website. It is similar to the previous Google tracking code, ga.js, but offers more flexibility for developers to customize their implementations.
Google Analytics 4 Usage Statistics · Download List of All Websites using Google Analytics 4
Google Analytics 4 formerly known as App + Web is a new version of Google Analytics that was released in October 2020.
Global Site Tag Usage Statistics · Download List of All Websites using Global Site Tag
Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.
Google Conversion Linker Usage Statistics · Download List of All Websites using Google Conversion Linker
Detects the ad click information in your conversion page URLs and stores this information to associate an ad click with a conversion.
Bing Universal Event Tracking Usage Statistics · Download List of All Websites using Bing Universal Event Tracking
Universal Event Tracking (UET) is a simple and powerful campaign measurement solution that allows you to track key conversion goals important to your business.
Conversion Optimization · Retargeting / Remarketing
Amazon Cognito Usage Statistics · Download List of All Websites using Amazon Cognito
Amazon Cognito is a fully managed authentication service that helps businesses implement customer identity and access management (CIAM) for millions of users.
Login
COVID-19 Usage Statistics · Download List of All Websites using COVID-19
This website mentions COVID-19 / Novel Coronavirus.
Google Tag Manager Usage Statistics · Download List of All Websites using Google Tag Manager
Tag management that lets you add and update website tags without changes to underlying website code.
Tag Management
US Privacy User Signal Mechanism Usage Statistics · Download List of All Websites using US Privacy User Signal Mechanism
The US Privacy API (USP API) is a lightweight API used to communicate signals represented in the US Privacy String.
Privacy Compliance
Typekit Usage Statistics · Download List of All Websites using Typekit
Typekit is the easiest way to use real fonts on the web. It's a subscription-based service for linking to high-quality Open Type fonts from some of the world's best type foundries.
English - Inferred Usage Statistics · Download List of All Websites using English - Inferred
Based on the title and description text the website content is potentially English.
Apollo GraphQL Usage Statistics · Download List of All Websites using Apollo GraphQL
App development framework.
Bulma Usage Statistics · Download List of All Websites using Bulma
Bulma is an open source CSS framework based on Flexbox and built with Sass.
Gatsby JS Usage Statistics · Download List of All Websites using Gatsby JS
Modern website and web apps generator for React.
Facebook Domain Verification Usage Statistics · Download List of All Websites using Facebook Domain Verification
Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.
Next.js Usage Statistics · Download List of All Websites using Next.js
React.js framework for static site generator apps. Owned by Vercel.
AggregateRating Schema Usage Statistics · Download List of All Websites using AggregateRating Schema
Average rating of somethings based on aggregate of reviews.
Schema
Organization Schema Usage Statistics · Download List of All Websites using Organization Schema
Organization i.e. school, NGO, Corporation.
PostalAddress Schema Usage Statistics · Download List of All Websites using PostalAddress Schema
A mailing address.
Headless UI Usage Statistics · Download List of All Websites using Headless UI
Completely unstyled, fully accessible UI components for Vue and React.
Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
IPhone / Mobile Compatible Usage Statistics · Download List of All Websites using IPhone / Mobile Compatible
The website contains code that allows the page to support IPhone / Mobile Content.
Apple Mobile Web Clips Icon Usage Statistics · Download List of All Websites using Apple Mobile Web Clips Icon
This page contains an icon for iPhone, iPad and iTouch devices.
Stripe Usage Statistics · Download List of All Websites using Stripe
Stripe makes it easy for developers to accept credit cards on the web.
Checkout Buttons · Payments Processor
Stripe v3 Usage Statistics · Download List of All Websites using Stripe v3
Version 3 of Stripe Integration.
core-js Usage Statistics · Download List of All Websites using core-js
Modular standard library for JavaScript.
Framework
React Usage Statistics · Download List of All Websites using React
A JavaScript library for building user interfaces from Facebook.
JavaScript Library
crypto browserify Usage Statistics · Download List of All Websites using crypto browserify
A port of node's crypto module to the browser.
jQuery Usage Statistics · Download List of All Websites using jQuery
JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.
Intersection Observer Usage Statistics · Download List of All Websites using Intersection Observer
API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.
lodash Usage Statistics · Download List of All Websites using lodash
Lo-dash is an alternative and a drop-in replacement for Underscore.js.
JavaScript Modules Usage Statistics · Download List of All Websites using JavaScript Modules
Modern browsers now support native module functionality, optimizing loading and efficiency. Import and export statements are key for using native JavaScript modules.
DoubleClick.Net Usage Statistics · Download List of All Websites using DoubleClick.Net
DoubleClick enables agencies, marketers and publishers to work together successfully and profit from their digital marketing investments. Owned by Google and now referred to as DoubleClick Digital Marketing or Google Enterprise Advertising.
Google Adsense Usage Statistics · Download List of All Websites using Google Adsense
A contextual advertising solution for delivering Google AdWords ads that are relevant to site content pages.
Contextual Advertising
Twitter Usage Statistics · Download List of All Websites using Twitter
The website mentions twitter.com in some form.
Facebook Usage Statistics · Download List of All Websites using Facebook
The website mentions facebook.com in some form.
Instagram Usage Statistics · Download List of All Websites using Instagram
The website mentions Instagram in some form.
LinkedIn Usage Statistics · Download List of All Websites using LinkedIn
The website mentions linkedin.com in some form.
YouTube Link Usage Statistics · Download List of All Websites using YouTube Link
This website mentions YouTube.com on it in some form or another.
TikTok Usage Statistics · Download List of All Websites using TikTok
The website mentions tiktok.com (but not Douyin) in some form.
Care Quality Commission Usage Statistics · Download List of All Websites using Care Quality Commission
The Care Quality Commission is an organization that regulates and inspects health and social care services in the UK.
Netlify Usage Statistics · Download List of All Websites using Netlify
Netlify is a platform that automates your code to create web sites.
Cloud Hosting · Cloud PaaS · US hosting
Amazon Usage Statistics · Download List of All Websites using Amazon
This site is hosted on Amazon AWS EC2 Infrastructure.
Cloud Hosting · Cloud PaaS
AWS Global Accelerator Usage Statistics · Download List of All Websites using AWS Global Accelerator
Networking service that sends traffic through Amazon Web Service’s global network infrastructure for performance improvements.
Cloud Hosting
Mandrill Usage Statistics · Download List of All Websites using Mandrill
Mandrill is an email infrastructure service. Detailed analytics offer insight to measure email performance.
Transactional Email
Zendesk Usage Statistics · Download List of All Websites using Zendesk
Organize, prioritize and engage with others on support requests.
MailChimp SPF Usage Statistics · Download List of All Websites using MailChimp SPF
This site has an SPF record for MailChimp managed email sending.
Campaign Management
SPF Usage Statistics · Download List of All Websites using SPF
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business
Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.
Business Email Hosting
DMARC Usage Statistics · Download List of All Websites using DMARC
A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse
DMARC
DMARC Reject Usage Statistics · Download List of All Websites using DMARC Reject
The domain has a DMARC policy of 'Reject'. This policy tells the mail server to reject emails that fail DMARC checks, preventing them from being delivered at all.
DMARC Analyzer Usage Statistics · Download List of All Websites using DMARC Analyzer
Mimecast owned DMARC analyzing solution.
SSL by Default Usage Statistics · Download List of All Websites using SSL by Default
The website redirects traffic to an HTTPS/SSL version by default.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
IONOS DNS Usage Statistics · Download List of All Websites using IONOS DNS
Domain NS hosted at IONOS
Content Delivery Network Usage Statistics · Download List of All Websites using Content Delivery Network
This page contains links that give the impression that some of the site contents are stored on a content delivery network.
Google Webmaster Usage Statistics · Download List of All Websites using Google Webmaster
Webmaster tools provide you with a free and easy way to make your site more Google-friendly.
Last technology detected on 17th July 2025. We know of 64 technologies on this page and 19 technologies removed from c19testing.co.uk since 2nd June 2020. Link to this page.
c19testing.co.uk is ranked 475,071st in our top sites list. View BuiltWith Top Site Rank.
Add BuiltWith to for free! Get lookups easily and quickly.
Get a notification when c19testing.co.uk adds new technologies.
Get c19testing.co.uk profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.